A deck builder is a carpenter who specializes in building outdoor decks. Deck Builder: What Is It? and How to Become One? - ZipRecruiter ziprecruiter.com https://www.ziprecruiter.com � career � What-Is-How-to-... ziprecruiter.com https://www.ziprecruiter.com � career � What-Is-How-to-... A deck builder is a carpenter who specializes in building outdoor decks.